export function calculateMinimumCollateralization(liquidationMargin: Ratio, liquidationPadding: Ratio): Ratio;
export function minimumPrice(quoteA: PriceQuote, quoteB?: PriceQuote): Ratio;
export function maxDebtForVault(quoteAmount: PriceQuote, liquidationMargin: Ratio, liquidationPadding: Ratio): Amount<"nat">;
export function calculateDebtCosts(currentDebt: Amount<"nat">, give: Amount<"nat">, want: Amount<"nat">, debtFee: Ratio): {
    newDebt: import("@agoric/ertp").NatAmount;
    toMint: import("@agoric/ertp").NatAmount;
    fee: import("@agoric/ertp").NatAmount;
    surplus: import("@agoric/ertp").NatAmount;
};
import type { PriceQuote } from '@agoric/zoe/tools/types.js';
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